<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="题目内容" prop="questionText">
        <el-input
          v-model="queryParams.questionText"
          placeholder="请输入题目内容"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="正确答案" prop="correctAnswer">
        <el-input
          v-model="queryParams.correctAnswer"
          placeholder="请输入正确答案"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="题目类型" prop="questionType">
        <el-input
          v-model="queryParams.questionType"
          placeholder="请输入题目类型"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">


      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['question:question:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['question:question:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['question:question:export']"
        >导出</el-button>
      </el-col>

      
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="importq"
          v-hasPermi="['question:question:import']"
        >新增题库导入</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="questionList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="题目id" align="center" prop="questionId" />
      <el-table-column label="题目内容" align="center" prop="questionText" />
      <el-table-column label="正确答案" align="center" prop="correctAnswer" />
      <el-table-column label="题目类型" align="center" prop="questionType" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['question:question:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['question:question:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改题目库对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="题目内容" prop="questionText">
          <el-input v-model="form.questionText" placeholder="请输入题目内容" />
        </el-form-item>
        <el-form-item label="正确答案" prop="correctAnswer">
          <el-input v-model="form.correctAnswer" placeholder="请输入正确答案" />
        </el-form-item>
        <el-form-item label="题目类型" prop="questionType">
          <el-input v-model="form.questionType" placeholder="请输入题目类型" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <el-dialog
      title="批量导入"
      :visible.sync="addDialogVisible"
      width="30%"
      :before-close="handleClose"
    >
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xls, .xlsx"
        :action="upload.url"
        :headers="upload.headers"
        :file-list="upload.fileList"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
      >
        <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
        <el-button
          style="margin-left: 10px;"
          size="small"
          type="success"
          :loading="upload.isUploading"
          @click="submitUpload"
        >导入</el-button>
        <div slot="tip" class="el-upload__tip">只能上传excel文件，且不超过10MB</div>
        <div>
          <a href="file:///E:/技术试炼场刷题系统/20241231132125/technical-trial-field-PracticeSystem/technical-trial-field-practice-system/题库导入.xls" style="color: blue; text-decoration: underline;">
      点击此处下载导入试题模板
    </a>
  </div>
      </el-upload>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import {
  listQuestion,
  getQuestion,
  delQuestion,
  addQuestion,
  updateQuestion,
  importQuestion
} from "@/api/question/question";
import { getToken } from "@/utils/auth";

export default {
  name: "Question",
  data() {
    return {
      // 上传参数
      upload: {
        // 是否禁用上传
        isUploading: false,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/question/question/import",
        // 上传的文件列表
        fileList: []
      },

      //导入对话框开关
      addDialogVisible: false,
      importUrl: "http://localhost:8087/stu/import",
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 题目库表格数据
      questionList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        questionText: null,
        correctAnswer: null,
        questionType: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        questionText: [
          { required: true, message: "题目内容不能为空", trigger: "blur" }
        ],
        correctAnswer: [
          { required: true, message: "正确答案不能为空", trigger: "blur" }
        ],
        questionType: [
          { required: true, message: "题目类型不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    // 文件提交处理
    submitUpload() {
      this.$refs.upload.submit();
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.isUploading = false;
      this.form.filePath = response.url;
      this.msgSuccess(response.msg);
    },

    handleChange(event) {
      this.file = event.target.files[0];
    },
    handleSubmit() {
      const formData = new FormData();
      formData.append("file", this.file);
      importQuestion(this.formData).then(response => {
        // this.questionList = response.rows;
        // this.total = response.total;
        // this.loading = false;
      });
      // 发送 POST 请求
      // fetch('/api/upload', {
      //   method: 'POST',
      //   body: formData,
      // })
      // .then(response => response.json())
      // .then(data => console.log(data))
      // .catch(error => console.error(error));
    },
    handleClose(done) {
      this.$confirm("确认关闭？")
        .then(_ => {
          done();
        })
        .catch(_ => {});
    },

    /** 查询题目库列表 */
    getList() {
      this.loading = true;
      listQuestion(this.queryParams).then(response => {
        this.questionList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    importq() {
      this.addDialogVisible = true;
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        questionId: null,
        questionText: null,
        correctAnswer: null,
        correctAnswerOptionId: null,
        questionType: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.questionId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加题目库";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const questionId = row.questionId || this.ids;
      getQuestion(questionId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改题目库";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.questionId != null) {
            updateQuestion(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addQuestion(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const questionIds = row.questionId || this.ids;
      this.$modal
        .confirm('是否确认删除题目库编号为"' + questionIds + '"的数据项？')
        .then(function() {
          return delQuestion(questionIds);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "question/question/export",
        {
          ...this.queryParams
        },
        `question_${new Date().getTime()}.xlsx`
      );
    }
  }
};
</script>
